21398706

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{169831}}^1$

素因数の和:169846

約数の個数: 24

約数和(自身を含む): 52987584

約数和(自身を除く): 31588878

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 169831, 339662, 509493, 1018986, 1188817, 1528479, 2377634, 3056958, 3566451, 7132902, 10699353, 21398706]

約数ペア:

[(1, 21398706), (2, 10699353), (3, 7132902), (6, 3566451), (7, 3056958), (9, 2377634), (14, 1528479), (18, 1188817), (21, 1018986), (42, 509493), (63, 339662), (126, 169831)]